V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 1/8 in cross-section, and a 17 63/64 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number…
SKU 3G-OTH-518263
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 1/8 in cross-section, and a 17 63/64 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number GR-V8-90-284.
Frequently Asked Questions
What is a V90 backup ring used for?
A V90 backup ring prevents extrusion of O-rings in high-pressure hydraulic and pneumatic systems. It supports the O-ring under pressure, extending seal life in industrial applications like pumps, valves, and cylinders across machining, power transmission, and material handling.
What are the specifications of the V90 backup ring GR-V8-90-284?
The V90 backup ring has a rectangular cross-section shape, 1/8 in cross-section, 17 63/64 in inner diameter, and a durometer of 90. It is made of Viton® and carries manufacturer part number GR-V8-90-284.
Where to buy V90 backup rings worldwide?
3G Electric supplies V90 backup rings worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine Viton® backup rings like the GR-V8-90-284 and support procurement across 14 industrial departments.
How to install a V90 backup ring?
Install the V90 backup ring on the low-pressure side of the O-ring in the gland. Ensure the rectangular cross-section sits flat against the groove wall. Lubricate with compatible fluid to avoid pinching. Follow standard O-ring installation practices for Viton® material.
V90 Products
3G Electric supplies V90 viton® backup o-rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









